Evolution of parton fragmentation functions at finitetemperature

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The first order correction to the parton fragmentation functions in a thermal medium is derived in the leading logarithmic approximation in the framework of thermal field theory. The medium-modified evolution equations of the parton fragmentation functions are also derived. It is shown that all infrared divergences, both linear and logarithmic, in the real processes are canceled among themselves and by corresponding virtual corrections. The evolution of the quark number and the energy loss (or gain) induced by the thermal medium are investigated.

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Osborne, Jonathan; Wang, Enke & Wang, Xin-Nian June 12, 2002.

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Description

The first order correction to the parton fragmentation functions in a thermal medium is derived in the leading logarithmic approximation in the framework of thermal field theory. The medium-modified evolution equations of the parton fragmentation functions are also derived. It is shown that all infrared divergences, both linear and logarithmic, in the real processes are canceled among themselves and by corresponding virtual corrections. The evolution of the quark number and the energy loss (or gain) induced by the thermal medium are investigated.

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  • Journal Name: Physical Review D; Journal Volume: 67; Related Information: Journal Publication Date: 2003

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  • Report No.: LBNL--51870
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 891802
  • Archival Resource Key: ark:/67531/metadc876379

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • June 12, 2002

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  • Sept. 21, 2016, 2:29 a.m.

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Osborne, Jonathan; Wang, Enke & Wang, Xin-Nian. Evolution of parton fragmentation functions at finitetemperature, article, June 12, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc876379/: accessed October 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.